<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box1{
            width: 100px;
            height: 100px;
            background-color: #d11d1d;
        }
        .box2{
             width: 150px;
            height: 100px;
            background-color: #4ebd33;
        }
        input{
            width: 100x;
            border: 5px solid #1d1bb4;
        }
        button{
            width: 100px;
            height: 40px;
        }
        a{
            width: 100px;
            height: 1000px;
            color: red;
        }
    </style>
</head>
<body class="container">
  
    <div class="box1"></div>
    <div class="box2"></div>


    <input type="text">
    <button>点击</button>  

    <hr/>

    <a href="https://www.baidu.com">百度</a>                                               

    <span>谷歌</span>

</body>
</html>